Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Demographic characteristics of the participants.
| nAMD case (n = 464) |
Control (n = 468) |
P value | |
|---|---|---|---|
| Age (mean ± SD, years) | 68.3 ± 8.75 | 64.9 ± 9.27 | 9.53E − 9 |
| Gender (%) | 1.31E − 7 | ||
| Male | 294 (63.4) | 216 (46.2) | |
| Female | 170 (36.6) | 252 (53.8) | |
| Cigarette smoking (%) | 9.44E − 9 | ||
| Never | 246 (53.1) | 334 (71.4) | |
| Ever and current | 217 (46.9) | 134 (28.6) |
